128805540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2146759}}^1$

素因数の和:2146771

約数の個数: 24

約数和(自身を含む): 360655680

約数和(自身を除く): 231850140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2146759, 4293518, 6440277, 8587036, 10733795, 12880554, 21467590, 25761108, 32201385, 42935180, 64402770, 128805540]

約数ペア:

[(1, 128805540), (2, 64402770), (3, 42935180), (4, 32201385), (5, 25761108), (6, 21467590), (10, 12880554), (12, 10733795), (15, 8587036), (20, 6440277), (30, 4293518), (60, 2146759)]